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[Qemu-devel] Fwd: [PATCH v2 0/6] Geometry and blocksize support for back


From: Ekaterina Tumanova
Subject: [Qemu-devel] Fwd: [PATCH v2 0/6] Geometry and blocksize support for backing devices
Date: Tue, 18 Nov 2014 19:15:01 +0300
User-agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.2.0


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-------- Forwarded Message --------
Subject: [PATCH v2 0/6] Geometry and blocksize support for backing devices
Date: Tue, 18 Nov 2014 17:09:55 +0100
From: Ekaterina Tumanova <address@hidden>
To: address@hidden, address@hidden, address@hidden, address@hidden CC: address@hidden, address@hidden, address@hidden, address@hidden, Ekaterina Tumanova <address@hidden>

This is the rework of the geometry+blocksize patch, which was
recently discussed here:
http://lists.gnu.org/archive/html/qemu-devel/2014-11/msg01148.html

Markus suggested that we only detect blocksize and geometry for DASDs.

According to this agreement new version contains DASD special casing.
The driver methods are implemented only for "host_device" and inner hdev_xxx
functions check if the backing storage is a DASD by means of
BIODASDINFO2 ioctl.

Original patchset can be found here:
http://lists.gnu.org/archive/html/qemu-devel/2014-07/msg03791.html

Ekaterina Tumanova (6):
  geometry: add bdrv functions for geometry and blocksize
  geometry: Detect blocksize via ioctls in separate static functions
  geometry: Add driver methods to probe blocksizes and geometry
  geometry: Add block-backend wrappers for geometry probing
  geometry: Call backend function to detect geometry and blocksize
  geometry: Target specific hook for s390x in geometry guessing

 block.c                        |  26 +++++++++
 block/block-backend.c          |  10 ++++
block/raw-posix.c | 123 ++++++++++++++++++++++++++++++++++-------
 block/raw_bsd.c                |  12 ++++
 hw/block/Makefile.objs         |   6 +-
 hw/block/block.c               |  11 ++++
 hw/block/hd-geometry.c         |  43 ++++++++++++--
 hw/block/virtio-blk.c          |   1 +
 include/block/block.h          |  20 +++++++
 include/block/block_int.h      |   3 +
 include/hw/block/block.h       |   1 +
 include/sysemu/block-backend.h |   2 +
 12 files changed, 234 insertions(+), 24 deletions(-)

--
1.8.5.5






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